172519420

素因数分解:

$2^2\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{7417}}^1$

素因数の和:8589

約数の個数: 24

約数和(自身を含む): 362651184

約数和(自身を除く): 190131764

約数列:

[1, 2, 4, 5, 10, 20, 1163, 2326, 4652, 5815, 7417, 11630, 14834, 23260, 29668, 37085, 74170, 148340, 8625971, 17251942, 34503884, 43129855, 86259710, 172519420]

約数ペア:

[(1, 172519420), (2, 86259710), (4, 43129855), (5, 34503884), (10, 17251942), (20, 8625971), (1163, 148340), (2326, 74170), (4652, 37085), (5815, 29668), (7417, 23260), (11630, 14834)]